From: Christoph Hellwig <hch@infradead.org>
To: Jens Axboe <axboe@kernel.dk>
Cc: "linux-block@vger.kernel.org" <linux-block@vger.kernel.org>
Subject: Re: Fwd: [RFC 2/2] io_uring: mark REQ_NOWAIT for a non-mq queue as unspported
Date: Wed, 20 May 2020 10:50:25 -0700 [thread overview]
Message-ID: <20200520175025.GA13855@infradead.org> (raw)
In-Reply-To: <3503f837-0958-0a55-ab7b-d4f1c7131179@kernel.dk>
On Tue, May 19, 2020 at 04:16:45PM -0600, Jens Axboe wrote:
>
>
>
> -------- Forwarded Message --------
> Subject: [RFC 2/2] io_uring: mark REQ_NOWAIT for a non-mq queue as unspported
> Date: Tue, 19 May 2020 14:52:50 -0700
> From: Bijan Mottahedeh <bijan.mottahedeh@oracle.com>
> To: axboe@kernel.dk
> CC: io-uring@vger.kernel.org
>
> Mark a REQ_NOWAIT request for a non-mq queue as unspported instead of
> retryable since otherwise the io_uring layer will keep resubmitting
> the request.
Someone needs to audit if this translates into the right errors message
for the syscalls, as they eventually need to return -EAGAIN
to userspace.
next prev parent reply other threads:[~2020-05-20 17:50 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-19 21:52 [RFC 0/2] io_uring: don't use kiocb.private to store buf_index Bijan Mottahedeh
2020-05-19 21:52 ` [RFC 1/2] " Bijan Mottahedeh
2020-05-19 22:07 ` Jens Axboe
2020-05-19 22:20 ` Jens Axboe
2020-05-19 22:48 ` Bijan Mottahedeh
2020-05-19 21:52 ` [RFC 2/2] io_uring: mark REQ_NOWAIT for a non-mq queue as unspported Bijan Mottahedeh
2020-05-19 22:16 ` Fwd: " Jens Axboe
2020-05-20 17:50 ` Christoph Hellwig [this message]
2020-05-28 18:35 ` Jeff Moyer
2020-05-28 19:01 ` Jens Axboe
2020-05-28 19:22 ` Jens Axboe
2020-05-28 19:31 ` Jeff Moyer
2020-05-28 22:12 ` Jeff Moyer
2020-05-28 23:03 ` Jens Axboe
2020-05-29 15:02 ` Jeff Moyer
2020-05-29 16:20 ` Jens Axboe
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